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5. What can be inferred about the needle of a syringe and a poke of a finger which is in contact with the skin? A. Sharp tip of the needle will have a greater pressure B. Blunt tip of a finger will have a lesser pressure C. Sharp tip of the needle will have a lesser pressure D. Blunt tip of a finger will have a greater pressure 6. What conclusion can be drawn why going up an altitude could cause a popped in your ears? A. So much cold temperature B. Lesser motion of air around you C. Weight of air exerted on you decreases D. Air is much denser than water 7. A ball of cork, aluminum, and lead has a volume of 8 cubic centimeters each and submerge into water. What quantity does these three had the same with each other? A. mass B. density C. specific gravity D. buoyancy

5. What can be inferred about the needle of a syringe and a poke of a finger which is in contact with the skin? A. Sharp tip of the needle will have a greater pressure B. Blunt tip of a finger will have a lesser pressure C. Sharp tip of the needle will have a lesser pressure D. Blunt tip of a finger will have a greater pressure 6. What conclusion can be drawn why going up an altitude could cause a popped in your ears? A. So much cold temperature B. Lesser motion of air around you C. Weight of air exerted on you decreases D. Air is much denser than water 7. A ball of cork, aluminum, and lead has a volume of 8 cubic centimeters each and submerge into water. What quantity does these three had the same with each other? A. mass B. density C. specific gravity D. buoyancy

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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5. What can be inferred about the needle of a syringe and a poke of a finger which is in contact with the skin? A. Sharp tip of the needle will have a greater pressure B. Blunt tip of a finger will have a lesser pressure C. Sharp tip of the needle will have a lesser pressure D. Blunt tip of a finger will have a greater pressure 6. What conclusion can be drawn why going up an altitude could cause a popped in your ears? A. So much cold temperature B. Lesser motion of air around you C. Weight of air exerted on you decreases D. Air is much denser than water 7. A ball of cork, aluminum, and lead has a volume of 8 cubic centimeters each and submerge into water. What quantity does these three had the same with each other? A. mass B. density C. specific gravity D. buoyancy 8. During a deep dive in a swimming pool, your ears ached. Why is this so? Choose the best option that describes the statement. A. The direction of the net force due to the fluid is downward B. The pressure on the bottom of an object is greater than the top C. The force on the bottom pushes sideward and the force on the top pushes up the surface D. Increased pressure is exerted in all directions 9. The hydraulic lift is a force-multiplying device with a multiplication factor equal to the ratio of the areas of the two pistons. What is/are true about the statement? I. product of force and distance remains unchanged II. small input force produces a large output force III. larger area comes with a larger force B. II only A. I,I C. II, II D. I, II 10. When a body is completely or partially immersed in a fluid, the fluid exerts an upward force on the body equal to the weight of the fluid displaced by the body. Which of the following examples manifest the statement above? I. Submarine II. Dentist's chair III. Fish IV. Car lifts V. Hot air balloon VI. Hydraulic jacks VII. Ship VIII. Car brakes A. I, III, V, VII B. II, IV, VI, VIII C. I, II, V, VIL D. II, IV, VI, VIII
Transcribed Image Text:5. What can be inferred about the needle of a syringe and a poke of a finger which is in contact with the skin? A. Sharp tip of the needle will have a greater pressure B. Blunt tip of a finger will have a lesser pressure C. Sharp tip of the needle will have a lesser pressure D. Blunt tip of a finger will have a greater pressure 6. What conclusion can be drawn why going up an altitude could cause a popped in your ears? A. So much cold temperature B. Lesser motion of air around you C. Weight of air exerted on you decreases D. Air is much denser than water 7. A ball of cork, aluminum, and lead has a volume of 8 cubic centimeters each and submerge into water. What quantity does these three had the same with each other? A. mass B. density C. specific gravity D. buoyancy 8. During a deep dive in a swimming pool, your ears ached. Why is this so? Choose the best option that describes the statement. A. The direction of the net force due to the fluid is downward B. The pressure on the bottom of an object is greater than the top C. The force on the bottom pushes sideward and the force on the top pushes up the surface D. Increased pressure is exerted in all directions 9. The hydraulic lift is a force-multiplying device with a multiplication factor equal to the ratio of the areas of the two pistons. What is/are true about the statement? I. product of force and distance remains unchanged II. small input force produces a large output force III. larger area comes with a larger force B. II only A. I,I C. II, II D. I, II 10. When a body is completely or partially immersed in a fluid, the fluid exerts an upward force on the body equal to the weight of the fluid displaced by the body. Which of the following examples manifest the statement above? I. Submarine II. Dentist's chair III. Fish IV. Car lifts V. Hot air balloon VI. Hydraulic jacks VII. Ship VIII. Car brakes A. I, III, V, VII B. II, IV, VI, VIII C. I, II, V, VIL D. II, IV, VI, VIII
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